diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4f8c637c465b8fa248bd0e1e25e629ab55977e3e..50e2d1b2b79d61f86f9785ac1fae469f096133d0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -23,4 +23,4 @@ cachix:
   only:
     refs:
     - master
-  script: dhall --file .cachix.dhall | dhall text | bash
+  script: nix-shell -p jq cachix --command 'dhall --file .cachix.dhall | dhall text | bash'